1010111012220 has 48 divisors (see below), whose sum is σ = 2828470619520. Its totient is φ = 269347718976.

The previous prime is 1010111012219. The next prime is 1010111012233. The reversal of 1010111012220 is 222101110101.

It is a super-2 number, since 2×1010111012220² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1010111012196 and 1010111012205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616051 + ... + 1549109.

It is an arithmetic number, because the mean of its divisors is an integer number (58926471240).

Almost surely, 2^{1010111012220} is an apocalyptic number.

1010111012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010111012220 is an abundant number, since it is smaller than the sum of its proper divisors (1818359607300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1010111012220 is a wasteful number, since it uses less digits than its factorization.

1010111012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951114 (or 951112 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1010111012220 its reverse (222101110101), we get a palindrome (1232212122321).

The spelling of 1010111012220 in words is "one trillion, ten billion, one hundred eleven million, twelve thousand, two hundred twenty".